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- Iapetus, outermost of Saturn ’s major regular moons, extraordinary because of its great contrast in surface brightness. It was discovered by the Italian-born French astronomer Gian Domenico Cassini in 1671 and named for one of the Titan s of Greek mythology.
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Asia or Clymene. Offspring. Atlas, Prometheus, Epimetheus, Menoetius, Anchiale, Buphagus. In Greek mythology, Iapetus ( / aɪˈæpɪtəs /; eye-AP-ih-təs; [1] Ancient Greek: Ἰαπετός, romanized : Iapetós ), [2] also Japetus, is a Titan, the son of Uranus and Gaia [3] and father of Atlas, Prometheus, Epimetheus, and Menoetius.
Overview. Iapetus has been called the yin and yang of the Saturn moons because its leading hemisphere has a reflectivity (or albedo) as dark as coal (albedo 0.03-0.05 with a slight reddish tinge) and its trailing hemisphere is much brighter at 0.5-0.6.
Iapetus, outermost of Saturn’s major regular moons, extraordinary because of its great contrast in surface brightness. It was discovered by the Italian-born French astronomer Gian Domenico Cassini in 1671 and named for one of the Titans of Greek mythology. Iapetus has a radius of 718 km (446 miles)
Dec 17, 2004 · One hemisphere of Iapetus is covered with very reflective material while the other hemisphere is covered with some of the darkest material in the solar system. The leading hemisphere of Iapetus (the side that faces the direction of rotation) is very dark, reflecting only about 4 percent of the sunlight that falls on it. The trailing hemisphere reflects about 50 percent of the sunlight that ...
Iapetus is an oddly-coloured and shaped moon of Saturn. It is the third-largest moon in the system, and was discovered in 1671 by the astronomer Giovanni Domenico Cassini. Iapetus Diagrams. Iapetus size compared to the Moon and Earth.
Sep 12, 2007 · PASADENA, Calif. – Scientists on the Cassini mission to Saturn are poring through hundreds of images returned from the Sept. 10 flyby of Saturn's two-toned moon Iapetus. Pictures returned late Tuesday and early Wednesday show the moon's yin and yang--a white hemisphere resembling snow, and the other as black as tar.
The Iapetus Ocean (/ aɪ ˈ æ p ɪ t ə s /; eye-AP-ih-təs) existed in the late Neoproterozoic and early Paleozoic eras of the geologic timescale (between 600 and 400 million years ago). It lay in the southern hemisphere , between the paleocontinents of Laurentia , Baltica and Avalonia .
